Microcline and Dravite Physical Properties

Microcline

Dravite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.633.03-3.18

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

{001} Perfect, {010} Good

{???} Indistinct

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Microcline and Dravite Chemical Formula

While comparing Microcline and Dravite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Microcline and Dravite chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Microcline and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microcline and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Dravite Optical Properties during the identification of gemstone. Specific gravity of Microcline is 3.03-3.18 whereas that of Dravite is 3.03-3.18.